Schramm, Wilbur,  1907-1987, <br/><br/>
Mass media and national development :  The role of information in the developing countries / 
By wilbur schramm. 
 - 333 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comunicación
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Países en desarrollo
<br/><br/><label>LC Class. No.: </label>P92.Z6  / S3